GraphiteEditor/Graphite

Line tool needs Ctrl to lock angle only after drag has begun

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#3771 opened on Feb 16, 2026

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 (2 comments) (0 reactions) (0 assignees)Rust (25,662 stars) (1,176 forks)batch import
Good First Issue

Description

Ctrl is the shortcut for the Line tool to lock the current angle. But currently, it takes effect if Ctrl is held before the click and drag for drawing a new line, which is not desired, because Ctrl is also used to allow drawing a new line snapped to the endpoint of an existing line (rather than dragging around that endpoint). Ctrl should only lock the line's angle if it is pressed after the dragging is already occurring, whether that's for a new line or for dragging the endpoint of an existing line.

Contributor guide

Tech stack
rust
Domain
frontend
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic Rust knowledgeUnderstanding of event handling
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75
Research direction
Investigate the line tool's input handling in the Graphite codebase. Look for where Ctrl keydown events are processed for the line tool. Consider modifying the logic to only apply angle locking after a drag has started. Check the comments on the issue for any specific guidance.